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Check | Description |
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2A | Initialize different devices through DIM. |
| See “DIM code checkpoints” on page 74 for more information. |
2C | Initialize different devices. Detects and initializes the video adapter installed in the |
| system that has optional ROMs. |
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2E | Initialize all the output devices. |
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31Allocate memory for ADM module and uncompress it. Give control to ADM module for initialization. Initialize language and font modules for ADM. Activate ADM module.
33 Initialize the silent boot module. Set the window for displaying text information.
37Displaying
38Initialize different devices through DIM. See “DIM code checkpoints” on page 74 for more information.
39Initialize
3A Initialize RTC date/time.
3B Test for total memory installed in the system. Also, press DEL or ESC keys to limit memory test. Display total memory in the system.
3C
40Detect different devices (parallel ports, serial ports, and coprocessor in CPU, and so on) successfully installed in the system and update the BDA, EBDA, and so on.
50Programming the memory hole or any kind of implementation that needs an adjustment in system RAM size, if needed.
52Updates CMOS memory size from memory found in memory test. Allocates memory for Extended BIOS Data Area from base memory.
60Initialize
75Initialize
78Initialize IPL devices controlled by BIOS and option ROMs.
7A Initialize remaining option ROMs.
7C Generate and write contents of ESCD in NVRam.
84Log errors encountered during POST.
85Display error to the user and gets the user response to error.
87Execute BIOS setup if needed/requested.
8C Late POST initialization of chipset registers.
8D Build ACPI tables (if ACPI is supported).
8E Program the peripheral parameters. Enable/disable NMI as selected.
90Late POST initialization of system management interrupt.
A0 Check boot password if installed.
A1
71